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As a copper wire is heated, its length increases by 0.050%. What is the change in temperature of the wire? (copper= 16.6 x 10-6/Co)
A cart of mass 1.4 Kg is temporarily held stationary on an incline at 9.5 degrees to horizontal. How much work does gravity do on the cart
Suppose you have two identical containers with the samevolume, both submersed in a hot water bath so that both containersare at the same temperature. One container is filled with one mol of hydrogen gas (H2) while the other holds one mole of nitroge..
Find out the final speeds of the two objects. What is the angle at which the object with mass 3m is scattered?
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk and its speed at 1.42 cm from the axis of rotation
John carries one heavy box and kicks the other box so that it slides for a little bit and then stops, and he continues this until he reaches his destination. His kicks to the box have an acceleration of magnitude 4m/s^2. What is the coefficient of ki..
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1330 Hz. The bird-watcher, however, hears a frequency of 1410 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
The rhinestones in costume jewellery are glass by index of refraction 1.50. To make them more reflective, they are often coated with a layer of silicon monoxide of index of refraction 2.00. What is the minimum coating thickness required to ensure tha..
You can ignore air resistance. Explain how far from the point of firing does the other fragment strike if the terrain is level?
A 1.9 mol sample of hydrogen gas is heated at constant pressure from 302 K to 410 K. Calculate the energy transferred to the gas by heat.
Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component and y component of velocity of the ob..
An excited state of a certain nucleus has a lifetime of 5 x 10^-18 second. Determine the minimum possible uncertainty in its energy
Two small, identical spherical conductorscarry charges of 5.1 μC and 2.3 μC. They are separated by adistance of 52.0 cm. Calculate the magnitude of the electrostaticforce between these two spheres
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